Q. What hormone is secreted by the pancreas to raise blood glucose levels?
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A.
Insulin
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B.
Glucagon
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C.
Somatostatin
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D.
Cortisol
Solution
Glucagon is secreted by the pancreas and raises blood glucose levels by promoting glycogen breakdown in the liver.
Correct Answer:
B
— Glucagon
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Q. What is the main function of thyroid hormones?
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A.
Regulate metabolism
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B.
Control blood pressure
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C.
Stimulate growth
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D.
Maintain calcium levels
Solution
Thyroid hormones, primarily thyroxine (T4) and triiodothyronine (T3), are crucial for regulating the body's metabolism.
Correct Answer:
A
— Regulate metabolism
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Q. What is the primary action of aldosterone?
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A.
Increase sodium reabsorption
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B.
Decrease potassium levels
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C.
Increase water retention
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D.
All of the above
Solution
Aldosterone increases sodium reabsorption in the kidneys, which also leads to increased water retention and decreased potassium levels.
Correct Answer:
D
— All of the above
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Q. Which hormone is responsible for stimulating milk production in lactating women?
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A.
Prolactin
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B.
Oxytocin
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C.
Estrogen
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D.
Progesterone
Solution
Prolactin is the hormone that stimulates milk production in the mammary glands during lactation.
Correct Answer:
A
— Prolactin
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Q. Which hormone is secreted by the adrenal glands in response to stress?
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A.
Thyroxine
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B.
Cortisol
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C.
Insulin
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D.
Estrogen
Solution
Cortisol is a glucocorticoid hormone released by the adrenal glands during stress, helping to regulate metabolism and immune response.
Correct Answer:
B
— Cortisol
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Q. Which hormone regulates the menstrual cycle?
-
A.
Progesterone
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B.
Testosterone
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C.
Cortisol
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D.
Insulin
Solution
Progesterone plays a key role in regulating the menstrual cycle and preparing the uterus for potential pregnancy.
Correct Answer:
A
— Progesterone
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